sqlite-ops SKILL.md skillA

sqlite-ops from 0xdarkmatter/claude-mods is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add 0xdarkmatter/claude-mods/sqlite-ops@git:20261005.c2ed19d

Pins git:20261005.c2ed19d in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
0xdarkmatter/claude-mods
Path
skills/sqlite-ops/SKILL.md
Versions recorded
5
Latest version
git:20261005.c2ed19d, committed Oct 5, 2026
First version recorded
Apr 10, 2026
Size
17,428 bytes
Repository stars
68
License
MIT

SQLite across every host and engine - query performance, concurrency, schema, feature modules, operations. Triggers on: sqlite, slow query, EXPLAIN QUERY PLAN, query plan, SCAN vs SEARCH, covering index, index not used, rows read, rows_read, sql_duration_ms, ANALYZE, sqlite_stat1, LIKE performance, database is locked, SQLITE_BUSY, WAL, busy_timeout, STRICT tables, type affinity, foreign_keys, VACUUM, integrity_check, fts5, trigram, json_extract, D1, cloudflare d1, wrangler d1, node:sqlite…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# SQLite Operations

SQLite is one engine with many hosts. The **SQL semantics, query planner, and pragmas are
the same** whether you reach it through the `sqlite3` CLI, Python, `node:sqlite`,
better-sqlite3, Bun, Cloudflare D1, or libSQL/Turso — what differs is the *driver surface*
and the *operational envelope* (who owns the file, what a "connection" costs, whether you
can even run `PRAGMA`). Reason about the engine first; then check the host section for the
traps that differ.

```
Where does the problem live?
│
├─ A statement is slow, or scans too much
│  └─ EXPLAIN QUERY PLAN first, always → references/query-performance.md
│
├─ "database is locked" / SQLITE_BUSY / writers blocking readers
│  └─ WAL + busy_timeout + BEGIN IMMEDIATE → references/concurrency-durability.md
│
├─ Wrong data got in, or a constraint didn't fire
│  └─ Type affinity, STRICT, foreign_keys=OFF → references/schema-design.md
│
├─ Search / JSON / geo / analytics feature question
│  └─ FTS5, JSON, R-tree, window fns → references/feature-modules.md
│
├─ Running on a managed/edge engine (D1, Turso)
│  └─ references/d1-edge.md + references/hosts.md
│
└─ Corruption, size, backup, VACUUM
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add 0xdarkmatter/claude-mods/sqlite-ops@sha256:103f38ccc6650ba3

The line at the top of this page pins the label git:20261005.c2ed19d, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_q7tvuifq5a7i2ple.svg)](https://markdownregistry.com/a/art_q7tvuifq5a7i2ple)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Apr 10, 2026 and Oct 5, 2026, about one every 45 days.

versioncommittedcommitsizeaudit
git:20261005.c2ed19d latest2026-10-05 c2ed19d 17,428 BA view · diff
git:20260808.cbc7f8c2026-08-08 cbc7f8c 20,418 BA view · diff
git:20260808.ec730322026-08-08 ec73032 20,492 BA view · diff
git:20260804.17e97ae2026-08-04 17e97ae 19,607 BA view · diff
git:20260410.d2211362026-04-10 d221136 2,311 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (17428 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

0xdarkmatter/claude-mods · 68 stars · license MIT · pushed 2026-10-14 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_q7tvuifq5a7i2ple
GET https://markdownregistry.com/api/v1/resolve?ref=0xdarkmatter/claude-mods/sqlite-ops
GET https://markdownregistry.com/api/v1/blob/103f38ccc6650ba3f4504410561331121c7849e9a7422ea59a8d812759482767

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in 0xdarkmatter/claude-mods

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